Cole-Parmer WD-35630-10

Intuitive, user-friendly icons—electrode status displays pH slope  Grip-Clip™ electrode holder quickly and easily secures electrode to side of beaker or container (for use with separate pH and conductivity/ATC probes)  Memory of 500 data sets and USB or RS-232 output for tranfer to PC  Extended battery life or optional universal power adapter  Built-in stand with wall mount allows for easy benchtop measurement or storage Meter Type Portable Display type Backlit LCD Min pH (pH) -2 Max pH (pH) 16 pH Resolution 0.01 pH Accuracy ±0.01 Min mV (mV) -2000 Max mV (mV) 2000 mV Resolution 0.1 or 1 mV mV Accuracy ±0.5 Max Conductivity 200 mS Conductivity Accuracy ±1% FS Min TDS 0 to 200 ppt Min Salinity 0 to 50 ppt Salinity Accuracy ±1% FS Max Temperature (° C) 45 Interface RS-232 and USB Waterproof Yes Battery 2 x AA batteries (included) Battery life (hr) 500 Width (cm) 7.9375 Height (cm) 5.715 Width (in) 3 1/8 Height (in) 2 1/4 > Each Unit Includes PC 450 Meter Combination pH/conductivity/temperature probe (35630-51) Two AA batteries